Simocephalus exspinosus

Simocephalus exspinosus

Phylum	Arthropoda
Subphylum	Crustacea
Class	Branchiopoda
Order	Cladocera
Family	Daphniidae

Distinguishing Characteristics

Postabdominal claw with distinct proximal pecten
Ocellus round or rhomboidal
Vertex with obtuse or rounded angle

Taxonomic Notes

Allozyme studies indicate that Simocephalus exspinosus is a species complex consisting of at least four different species (1).

Additional Pictures

References

(1) HANN, B.J. 1995. Genetic variation in Simocephalus (Anomopoda: Daphniidae) in North America: patterns and consequences. Hydrobiologia. 307: 9-14.